Tenn. Code Ann. § 71-3-122

Whenever any dependent spouse or dependent child shall make an application to the county office of the department for an aid and services to needy families with children grant, and an investigation of the circumstances of the applicant reveals that the applicant was put in such needy circumstances by reason of the fact that the dependent spouse was deserted or abandoned by that spouse's or the child's parent, then it shall be the duty of the county office to notify the chief counsel of the department, whose duty it shall be to certify such fact to the prosecuting attorney of the county, who shall institute the necessary criminal proceedings against the spouse or parent who has deserted the dependent spouse or family.